Rescue workers inspect the area where a Russian military jet crashed while on a training mission in the Volgograd region in southern Russia, Wednesday, Feb. 11, 2015. The Su-24 bomber crashed while approaching its base and the fate of its two crew members have remained unknown. (AP Photo/Dmitry Rogulin) (The Associated Press)

MOSCOW – Russia's Defense Ministry says one of its military jets has crashed while trying to land in southern Russia and the fate of its two crewmembers is unknown.